/// <summary>
/// 做扫描识别
/// </summary>
/// <param name="path"></param>
private static void doScan(String path)
{
ResultCode result = EngineActivate.ActivateEngine(APPID, APPKEY);
if (result != ResultCode.SDK已激活)
{
Console.WriteLine(result.ToString());
return;
}
IntPtr hengine = EngineFactory.GetEngineInstance(EngineFactory.Image,
DetectionOrientPriority.ASF_OP_0_ONLY, 16);
FaceDetection face = new FaceDetection(hengine);
DirectoryInfo root = new DirectoryInfo(path);
//获取所有下载的图片开始识别
List <FileInfo> Filelist = root.GetFiles("*.jpeg").ToList();
Bitmap img = null;
foreach (FileInfo file in Filelist) //外层是文件
{
try
{
img = new Bitmap(file.FullName);
foreach (LocalUserMod mod in allRegUsers) //内层是用户
{
try
{
//此人已被识别，不做识别
if (resultSend[mod.Name].isScaned) //如果已经查找了这个人
{
continue;
}
byte[] f1 = Convert.FromBase64String(mod.Freature);
byte[] f2 = face.getFaceFeature(img);
float sim = face.Compare(f1, f2);
if (sim >= Similarity)
{
//获取3D角度
FaceDetection.TDAResult tdr = face.GetThreeDAngle(img);
Console.WriteLine("Name: {0}\nThreeDAngle: {1}", mod.Name, tdr.ToString());
//判断角度
//更改状态
if (tdr.Pitch <= -13) //低头角度
{
resultSend[mod.Name].Status = 1; //低头
}
else if (tdr.Yaw <= -26 || tdr.Yaw >= 26)
{
resultSend[mod.Name].Status = 2; //左右
}
else
{
resultSend[mod.Name].Status = 3; //认真
}
//标识已扫描
resultSend[mod.Name].isScaned = true;
//上传文件到前端
HttpUtil.postFile(Url_PostImg, file.FullName);
continue;
}
}
catch (Exception ex)
{
Console.WriteLine("Error in scanning! {0}", ex.Message);
continue;
}
//未识别出
Console.WriteLine("Cannot distinguish : {0}", file.Name);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
continue;
}
finally
{
//释放图片资源
if (img != null)
{
img.Dispose();
}
}
}
try
{
String datas = JsonConvert.SerializeObject(resultSend);
//post数据到前端
HttpUtil.postData(Url_PostData, datas);
//销毁引擎
EngineFactory.DisposeEngine();
Console.WriteLine("Scan over......");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return;
}
}
/// <summary>
/// 注册事件触发函数
/// </summary>
/// <param name="sender"></param>
/// <param name="args">变量参数</param>
public static void NewUserRegist(object sender, myEventArgs.RegistArgs args)
{
/****************************
* 保存特征值时才区分性别
* **************************/
//下载图片到本地
String url = String.Format("{0}/{1}_{2}.{3}",
Url_DldImg, args.Regist.Id, args.Regist.Name, args.Regist.Extension);
String pathImg = String.Format("{0}\\{1}_{2}.{3}",
ImgRootPath_Regist, args.Regist.Id, args.Regist.Name, args.Regist.Extension);
HttpUtil.downFile(url, pathImg);
//判断性别（假设性别判断 100% 准确）
try
{
ResultCode result = EngineActivate.ActivateEngine(APPID, APPKEY);
if (result != ResultCode.SDK已激活)
{
Console.WriteLine(result.ToString());
return;
}
IntPtr hengine = EngineFactory.GetEngineInstance(EngineFactory.Image,
DetectionOrientPriority.ASF_OP_0_ONLY, 16); //检测角度指人脸在照片中的角度
Bitmap img1 = new Bitmap(pathImg);
var face = new FaceDetection(hengine, img1);
var r = face.GetGender();
LocalUserMod temp1 = new LocalUserMod();
temp1.Name = args.Regist.Name;
temp1.Num = args.Regist.Id;
//用Base64转码
temp1.Freature = Convert.ToBase64String(face.getFaceFeature(img1));
//销毁图片
img1.Dispose();
//提取特征值保存
switch (r)
{
case "男":
XmlUtil.AddOneData(temp1, "Male");
break;
case "女":
XmlUtil.AddOneData(temp1, "Female");
break;
default:
Console.WriteLine("获取性别失败！用户：{0} , 学号：{1}，注册时间：{2}",
args.Regist.Name, args.Regist.Id, DateTime.Now.ToString());
return;
}
//提示用户注册
Console.WriteLine("User registed: {0} at {1}", args.Regist.Name, DateTime.Now.ToString());
//更新用户信息
//令写一个函数
getAllUserInfo();
}
catch (Exception ex)
{
Console.WriteLine("Regist Error: {0}", ex.Message);
}
finally
{
EngineFactory.DisposeEngine();
}
}
